jothianddeepi
24.09.2019 •
Mathematics
How to eliminate this using multiplication?
-2a+3b=9
4a-2b=3
a=
b=
Solved
Show answers
More tips
- S Style and Beauty How to Braid Hair with a Plaiting Machine: Tips and Recommendations...
- B Business and Finance How to Create a Business Plan? Your Ultimate Guide...
- F Food and Cooking Deflope: What is it and how does it work?...
- F Food and Cooking Why Doesn t the Confirmation Link Come to Email?...
- F Food and Cooking How to Get Reconfirmation of Registration?...
- S Science and Technology Discovering the Anatomy of an LCD TV Screen...
- H Health and Medicine What You Need to Know About Nasal Congestion in Infants: Causes, Symptoms, and Treatment...
- A Auto and Moto What is the Average Lifespan of an Engine in a Car?...
- C Computers and Internet Make Money Online: Secrets and Essential Ways...
- A Auto and Moto How Can Parking Sensors Help Drivers?...
Answers on questions: Mathematics
- M Mathematics What is a number that you can add 3+2+7 that will equal 27...
- M Mathematics Steven has $150. John has J dollars. Steven has 30 less than 2 times the amount John has. How much does John have?...
- M Mathematics Help guys HURRY!!! plsss! :D...
- M Mathematics The chart displays the distance over time ran by Juan who is running at a constant speed. How many miles will Juan run per hour? 6,5 miles 0.08 miles 12 miles 3 miles These are...
- M Mathematics Cos (37) = 11/x solve for x...
- M Mathematics aboveRaoul’s savings account must have at least $500, or he is charged a $4 fee. His balance was $716.23, when he withdrew $225. What was his balance?...
- M Mathematics Which of the following is a rational function? A. B. C. D....
- M Mathematics Nick is going to roast some marshmallows over a campfire tonight. Nick buys 4 bags of marshmallows. Each bag costs $3. Nick also buys a $2 lighter...
- M Mathematics 278328 - 20 divided by 29 like ye...
- M Mathematics What else would need to be congruent to show that A ABC DEF by ASA? E 8 /60 50 10 10 D А A. ZA ZD B. ZCE ZF C. AC DF O D. BC = EF...
Ответ:
-4a + 6b = 18;
Then, -4a + 6b = 18
+4a - 2b = 3
(+)
We obtain 4b = 21;
b = 21/4;
-2a + 63/4 = 9;
-8a + 63 = 36;
-8a = - 27;
a = 27/8 ;
Ответ: